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[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / mvm.h
1 /******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
10 *
11 * This program is free software; you can redistribute it and/or modify
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13 * published by the Free Software Foundation.
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
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23 * USA
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26 * in the file called COPYING.
27 *
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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64 *****************************************************************************/
65
66 #ifndef __IWL_MVM_H__
67 #define __IWL_MVM_H__
68
69 #include <linux/list.h>
70 #include <linux/spinlock.h>
71 #include <linux/leds.h>
72 #include <linux/in6.h>
73
74 #include "iwl-op-mode.h"
75 #include "iwl-trans.h"
76 #include "iwl-notif-wait.h"
77 #include "iwl-eeprom-parse.h"
78 #include "sta.h"
79 #include "fw-api.h"
80 #include "constants.h"
81
82 #define IWL_INVALID_MAC80211_QUEUE 0xff
83 #define IWL_MVM_MAX_ADDRESSES 5
84 /* RSSI offset for WkP */
85 #define IWL_RSSI_OFFSET 50
86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
87 /* A TimeUnit is 1024 microsecond */
88 #define MSEC_TO_TU(_msec) (_msec*1000/1024)
89
90 /* For GO, this value represents the number of TUs before CSA "beacon
91 * 0" TBTT when the CSA time-event needs to be scheduled to start. It
92 * must be big enough to ensure that we switch in time.
93 */
94 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40
95
96 /* For client, this value represents the number of TUs before CSA
97 * "beacon 1" TBTT, instead. This is because we don't know when the
98 * GO/AP will be in the new channel, so we switch early enough.
99 */
100 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10
101
102 /*
103 * This value (in TUs) is used to fine tune the CSA NoA end time which should
104 * be just before "beacon 0" TBTT.
105 */
106 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
107
108 /*
109 * Number of beacons to transmit on a new channel until we unblock tx to
110 * the stations, even if we didn't identify them on a new channel
111 */
112 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
113
114 extern const struct ieee80211_ops iwl_mvm_hw_ops;
115
116 /**
117 * struct iwl_mvm_mod_params - module parameters for iwlmvm
118 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
119 * We will register to mac80211 to have testmode working. The NIC must not
120 * be up'ed after the INIT fw asserted. This is useful to be able to use
121 * proprietary tools over testmode to debug the INIT fw.
122 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
123 * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
124 * Save)-2(default), LP(Low Power)-3
125 */
126 struct iwl_mvm_mod_params {
127 bool init_dbg;
128 bool tfd_q_hang_detect;
129 int power_scheme;
130 };
131 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
132
133 /**
134 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
135 *
136 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
137 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
138 * transport's data.
139 * @trans_len: length of the valid data in trans_ptr
140 * @op_mode_len: length of the valid data in op_mode_ptr
141 */
142 struct iwl_mvm_dump_ptrs {
143 struct iwl_trans_dump_data *trans_ptr;
144 void *op_mode_ptr;
145 u32 op_mode_len;
146 };
147
148 struct iwl_mvm_phy_ctxt {
149 u16 id;
150 u16 color;
151 u32 ref;
152
153 /*
154 * TODO: This should probably be removed. Currently here only for rate
155 * scaling algorithm
156 */
157 struct ieee80211_channel *channel;
158 };
159
160 struct iwl_mvm_time_event_data {
161 struct ieee80211_vif *vif;
162 struct list_head list;
163 unsigned long end_jiffies;
164 u32 duration;
165 bool running;
166 u32 uid;
167
168 /*
169 * The access to the 'id' field must be done when the
170 * mvm->time_event_lock is held, as it value is used to indicate
171 * if the te is in the time event list or not (when id == TE_MAX)
172 */
173 u32 id;
174 };
175
176 /* Power management */
177
178 /**
179 * enum iwl_power_scheme
180 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
181 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
182 * @IWL_POWER_LEVEL_LP - Low Power
183 */
184 enum iwl_power_scheme {
185 IWL_POWER_SCHEME_CAM = 1,
186 IWL_POWER_SCHEME_BPS,
187 IWL_POWER_SCHEME_LP
188 };
189
190 #define IWL_CONN_MAX_LISTEN_INTERVAL 10
191 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_2
192
193 #ifdef CONFIG_IWLWIFI_DEBUGFS
194 enum iwl_dbgfs_pm_mask {
195 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
196 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
197 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
198 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
199 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
200 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
201 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
202 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
203 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
204 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
205 };
206
207 struct iwl_dbgfs_pm {
208 u16 keep_alive_seconds;
209 u32 rx_data_timeout;
210 u32 tx_data_timeout;
211 bool skip_over_dtim;
212 u8 skip_dtim_periods;
213 bool lprx_ena;
214 u32 lprx_rssi_threshold;
215 bool snooze_ena;
216 bool uapsd_misbehaving;
217 bool use_ps_poll;
218 int mask;
219 };
220
221 /* beacon filtering */
222
223 enum iwl_dbgfs_bf_mask {
224 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
225 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
226 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
227 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
228 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
229 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
230 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
231 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
232 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
233 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
234 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
235 };
236
237 struct iwl_dbgfs_bf {
238 u32 bf_energy_delta;
239 u32 bf_roaming_energy_delta;
240 u32 bf_roaming_state;
241 u32 bf_temp_threshold;
242 u32 bf_temp_fast_filter;
243 u32 bf_temp_slow_filter;
244 u32 bf_enable_beacon_filter;
245 u32 bf_debug_flag;
246 u32 bf_escape_timer;
247 u32 ba_escape_timer;
248 u32 ba_enable_beacon_abort;
249 int mask;
250 };
251 #endif
252
253 enum iwl_mvm_smps_type_request {
254 IWL_MVM_SMPS_REQ_BT_COEX,
255 IWL_MVM_SMPS_REQ_TT,
256 IWL_MVM_SMPS_REQ_PROT,
257 NUM_IWL_MVM_SMPS_REQ,
258 };
259
260 enum iwl_mvm_ref_type {
261 IWL_MVM_REF_UCODE_DOWN,
262 IWL_MVM_REF_SCAN,
263 IWL_MVM_REF_ROC,
264 IWL_MVM_REF_P2P_CLIENT,
265 IWL_MVM_REF_AP_IBSS,
266 IWL_MVM_REF_USER,
267 IWL_MVM_REF_TX,
268 IWL_MVM_REF_TX_AGG,
269 IWL_MVM_REF_ADD_IF,
270 IWL_MVM_REF_START_AP,
271 IWL_MVM_REF_BSS_CHANGED,
272 IWL_MVM_REF_PREPARE_TX,
273 IWL_MVM_REF_PROTECT_TDLS,
274 IWL_MVM_REF_CHECK_CTKILL,
275 IWL_MVM_REF_PRPH_READ,
276 IWL_MVM_REF_PRPH_WRITE,
277 IWL_MVM_REF_NMI,
278 IWL_MVM_REF_TM_CMD,
279 IWL_MVM_REF_EXIT_WORK,
280 IWL_MVM_REF_PROTECT_CSA,
281 IWL_MVM_REF_FW_DBG_COLLECT,
282
283 /* update debugfs.c when changing this */
284
285 IWL_MVM_REF_COUNT,
286 };
287
288 enum iwl_bt_force_ant_mode {
289 BT_FORCE_ANT_DIS = 0,
290 BT_FORCE_ANT_AUTO,
291 BT_FORCE_ANT_BT,
292 BT_FORCE_ANT_WIFI,
293
294 BT_FORCE_ANT_MAX,
295 };
296
297 /**
298 * struct iwl_mvm_vif_bf_data - beacon filtering related data
299 * @bf_enabled: indicates if beacon filtering is enabled
300 * @ba_enabled: indicated if beacon abort is enabled
301 * @ave_beacon_signal: average beacon signal
302 * @last_cqm_event: rssi of the last cqm event
303 * @bt_coex_min_thold: minimum threshold for BT coex
304 * @bt_coex_max_thold: maximum threshold for BT coex
305 * @last_bt_coex_event: rssi of the last BT coex event
306 */
307 struct iwl_mvm_vif_bf_data {
308 bool bf_enabled;
309 bool ba_enabled;
310 s8 ave_beacon_signal;
311 s8 last_cqm_event;
312 s8 bt_coex_min_thold;
313 s8 bt_coex_max_thold;
314 s8 last_bt_coex_event;
315 };
316
317 /**
318 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
319 * @id: between 0 and 3
320 * @color: to solve races upon MAC addition and removal
321 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
322 * @bssid: BSSID for this (client) interface
323 * @associated: indicates that we're currently associated, used only for
324 * managing the firmware state in iwl_mvm_bss_info_changed_station()
325 * @uploaded: indicates the MAC context has been added to the device
326 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
327 * should get quota etc.
328 * @pm_enabled - Indicate if MAC power management is allowed
329 * @monitor_active: indicates that monitor context is configured, and that the
330 * interface should get quota etc.
331 * @low_latency: indicates that this interface is in low-latency mode
332 * (VMACLowLatencyMode)
333 * @ps_disabled: indicates that this interface requires PS to be disabled
334 * @queue_params: QoS params for this MAC
335 * @bcast_sta: station used for broadcast packets. Used by the following
336 * vifs: P2P_DEVICE, GO and AP.
337 * @beacon_skb: the skb used to hold the AP/GO beacon template
338 * @smps_requests: the SMPS requests of differents parts of the driver,
339 * combined on update to yield the overall request to mac80211.
340 * @beacon_stats: beacon statistics, containing the # of received beacons,
341 * # of received beacons accumulated over FW restart, and the current
342 * average signal of beacons retrieved from the firmware
343 */
344 struct iwl_mvm_vif {
345 u16 id;
346 u16 color;
347 u8 ap_sta_id;
348
349 u8 bssid[ETH_ALEN];
350 bool associated;
351
352 bool uploaded;
353 bool ap_ibss_active;
354 bool pm_enabled;
355 bool monitor_active;
356 bool low_latency;
357 bool ps_disabled;
358 struct iwl_mvm_vif_bf_data bf_data;
359
360 struct {
361 u32 num_beacons, accu_num_beacons;
362 u8 avg_signal;
363 } beacon_stats;
364
365 u32 ap_beacon_time;
366
367 enum iwl_tsf_id tsf_id;
368
369 /*
370 * QoS data from mac80211, need to store this here
371 * as mac80211 has a separate callback but we need
372 * to have the data for the MAC context
373 */
374 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
375 struct iwl_mvm_time_event_data time_event_data;
376 struct iwl_mvm_time_event_data hs_time_event_data;
377
378 struct iwl_mvm_int_sta bcast_sta;
379
380 /*
381 * Assigned while mac80211 has the interface in a channel context,
382 * or, for P2P Device, while it exists.
383 */
384 struct iwl_mvm_phy_ctxt *phy_ctxt;
385
386 #ifdef CONFIG_PM_SLEEP
387 /* WoWLAN GTK rekey data */
388 struct {
389 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
390 __le64 replay_ctr;
391 bool valid;
392 } rekey_data;
393
394 int tx_key_idx;
395
396 bool seqno_valid;
397 u16 seqno;
398 #endif
399
400 #if IS_ENABLED(CONFIG_IPV6)
401 /* IPv6 addresses for WoWLAN */
402 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
403 int num_target_ipv6_addrs;
404 #endif
405
406 #ifdef CONFIG_IWLWIFI_DEBUGFS
407 struct iwl_mvm *mvm;
408 struct dentry *dbgfs_dir;
409 struct dentry *dbgfs_slink;
410 struct iwl_dbgfs_pm dbgfs_pm;
411 struct iwl_dbgfs_bf dbgfs_bf;
412 struct iwl_mac_power_cmd mac_pwr_cmd;
413 #endif
414
415 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
416
417 /* FW identified misbehaving AP */
418 u8 uapsd_misbehaving_bssid[ETH_ALEN];
419
420 /* Indicates that CSA countdown may be started */
421 bool csa_countdown;
422 };
423
424 static inline struct iwl_mvm_vif *
425 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
426 {
427 return (void *)vif->drv_priv;
428 }
429
430 extern const u8 tid_to_mac80211_ac[];
431
432 enum iwl_scan_status {
433 IWL_MVM_SCAN_NONE,
434 IWL_MVM_SCAN_OS,
435 IWL_MVM_SCAN_SCHED,
436 };
437
438 /**
439 * struct iwl_nvm_section - describes an NVM section in memory.
440 *
441 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
442 * and saved for later use by the driver. Not all NVM sections are saved
443 * this way, only the needed ones.
444 */
445 struct iwl_nvm_section {
446 u16 length;
447 const u8 *data;
448 };
449
450 /*
451 * Tx-backoff threshold
452 * @temperature: The threshold in Celsius
453 * @backoff: The tx-backoff in uSec
454 */
455 struct iwl_tt_tx_backoff {
456 s32 temperature;
457 u32 backoff;
458 };
459
460 #define TT_TX_BACKOFF_SIZE 6
461
462 /**
463 * struct iwl_tt_params - thermal throttling parameters
464 * @ct_kill_entry: CT Kill entry threshold
465 * @ct_kill_exit: CT Kill exit threshold
466 * @ct_kill_duration: The time intervals (in uSec) in which the driver needs
467 * to checks whether to exit CT Kill.
468 * @dynamic_smps_entry: Dynamic SMPS entry threshold
469 * @dynamic_smps_exit: Dynamic SMPS exit threshold
470 * @tx_protection_entry: TX protection entry threshold
471 * @tx_protection_exit: TX protection exit threshold
472 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
473 * @support_ct_kill: Support CT Kill?
474 * @support_dynamic_smps: Support dynamic SMPS?
475 * @support_tx_protection: Support tx protection?
476 * @support_tx_backoff: Support tx-backoff?
477 */
478 struct iwl_tt_params {
479 s32 ct_kill_entry;
480 s32 ct_kill_exit;
481 u32 ct_kill_duration;
482 s32 dynamic_smps_entry;
483 s32 dynamic_smps_exit;
484 s32 tx_protection_entry;
485 s32 tx_protection_exit;
486 struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
487 bool support_ct_kill;
488 bool support_dynamic_smps;
489 bool support_tx_protection;
490 bool support_tx_backoff;
491 };
492
493 /**
494 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
495 * @ct_kill_exit: worker to exit thermal kill
496 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
497 * @tx_backoff: The current thremal throttling tx backoff in uSec.
498 * @min_backoff: The minimal tx backoff due to power restrictions
499 * @params: Parameters to configure the thermal throttling algorithm.
500 * @throttle: Is thermal throttling is active?
501 */
502 struct iwl_mvm_tt_mgmt {
503 struct delayed_work ct_kill_exit;
504 bool dynamic_smps;
505 u32 tx_backoff;
506 u32 min_backoff;
507 const struct iwl_tt_params *params;
508 bool throttle;
509 };
510
511 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
512
513 struct iwl_mvm_frame_stats {
514 u32 legacy_frames;
515 u32 ht_frames;
516 u32 vht_frames;
517 u32 bw_20_frames;
518 u32 bw_40_frames;
519 u32 bw_80_frames;
520 u32 bw_160_frames;
521 u32 sgi_frames;
522 u32 ngi_frames;
523 u32 siso_frames;
524 u32 mimo2_frames;
525 u32 agg_frames;
526 u32 ampdu_count;
527 u32 success_frames;
528 u32 fail_frames;
529 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
530 int last_frame_idx;
531 };
532
533 enum {
534 D0I3_DEFER_WAKEUP,
535 D0I3_PENDING_WAKEUP,
536 };
537
538 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
539 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
540 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
541
542 enum iwl_mvm_tdls_cs_state {
543 IWL_MVM_TDLS_SW_IDLE = 0,
544 IWL_MVM_TDLS_SW_REQ_SENT,
545 IWL_MVM_TDLS_SW_RESP_RCVD,
546 IWL_MVM_TDLS_SW_REQ_RCVD,
547 IWL_MVM_TDLS_SW_ACTIVE,
548 };
549
550 struct iwl_mvm_shared_mem_cfg {
551 u32 shared_mem_addr;
552 u32 shared_mem_size;
553 u32 sample_buff_addr;
554 u32 sample_buff_size;
555 u32 txfifo_addr;
556 u32 txfifo_size[TX_FIFO_MAX_NUM];
557 u32 rxfifo_size[RX_FIFO_MAX_NUM];
558 u32 page_buff_addr;
559 u32 page_buff_size;
560 };
561
562 struct iwl_mvm {
563 /* for logger access */
564 struct device *dev;
565
566 struct iwl_trans *trans;
567 const struct iwl_fw *fw;
568 const struct iwl_cfg *cfg;
569 struct iwl_phy_db *phy_db;
570 struct ieee80211_hw *hw;
571
572 /* for protecting access to iwl_mvm */
573 struct mutex mutex;
574 struct list_head async_handlers_list;
575 spinlock_t async_handlers_lock;
576 struct work_struct async_handlers_wk;
577
578 struct work_struct roc_done_wk;
579
580 unsigned long status;
581
582 /*
583 * for beacon filtering -
584 * currently only one interface can be supported
585 */
586 struct iwl_mvm_vif *bf_allowed_vif;
587
588 enum iwl_ucode_type cur_ucode;
589 bool ucode_loaded;
590 bool init_ucode_complete;
591 bool calibrating;
592 u32 error_event_table;
593 u32 log_event_table;
594 u32 umac_error_event_table;
595 bool support_umac_log;
596 struct iwl_sf_region sf_space;
597
598 u32 ampdu_ref;
599
600 struct iwl_notif_wait_data notif_wait;
601
602 struct mvm_statistics_rx rx_stats;
603
604 struct {
605 u64 rx_time;
606 u64 tx_time;
607 u64 on_time_rf;
608 u64 on_time_scan;
609 } radio_stats, accu_radio_stats;
610
611 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
612 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
613
614 const char *nvm_file_name;
615 struct iwl_nvm_data *nvm_data;
616 /* NVM sections */
617 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
618
619 /* EEPROM MAC addresses */
620 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
621
622 /* data related to data path */
623 struct iwl_rx_phy_info last_phy_info;
624 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
625 struct work_struct sta_drained_wk;
626 unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
627 atomic_t pending_frames[IWL_MVM_STATION_COUNT];
628 u32 tfd_drained[IWL_MVM_STATION_COUNT];
629 u8 rx_ba_sessions;
630
631 /* configured by mac80211 */
632 u32 rts_threshold;
633
634 /* Scan status, cmd (pre-allocated) and auxiliary station */
635 enum iwl_scan_status scan_status;
636 void *scan_cmd;
637 struct iwl_mcast_filter_cmd *mcast_filter_cmd;
638
639 /* UMAC scan tracking */
640 u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
641 u8 scan_seq_num, sched_scan_seq_num;
642
643 /* rx chain antennas set through debugfs for the scan command */
644 u8 scan_rx_ant;
645
646 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
647 /* broadcast filters to configure for each associated station */
648 const struct iwl_fw_bcast_filter *bcast_filters;
649 #ifdef CONFIG_IWLWIFI_DEBUGFS
650 struct {
651 u32 override; /* u32 for debugfs_create_bool */
652 struct iwl_bcast_filter_cmd cmd;
653 } dbgfs_bcast_filtering;
654 #endif
655 #endif
656
657 /* Internal station */
658 struct iwl_mvm_int_sta aux_sta;
659
660 bool last_ebs_successful;
661
662 u8 scan_last_antenna_idx; /* to toggle TX between antennas */
663 u8 mgmt_last_antenna_idx;
664
665 /* last smart fifo state that was successfully sent to firmware */
666 enum iwl_sf_state sf_state;
667
668 #ifdef CONFIG_IWLWIFI_DEBUGFS
669 struct dentry *debugfs_dir;
670 u32 dbgfs_sram_offset, dbgfs_sram_len;
671 u32 dbgfs_prph_reg_addr;
672 bool disable_power_off;
673 bool disable_power_off_d3;
674
675 bool scan_iter_notif_enabled;
676
677 struct debugfs_blob_wrapper nvm_hw_blob;
678 struct debugfs_blob_wrapper nvm_sw_blob;
679 struct debugfs_blob_wrapper nvm_calib_blob;
680 struct debugfs_blob_wrapper nvm_prod_blob;
681
682 struct iwl_mvm_frame_stats drv_rx_stats;
683 spinlock_t drv_stats_lock;
684 u16 dbgfs_rx_phyinfo;
685 #endif
686
687 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
688
689 struct list_head time_event_list;
690 spinlock_t time_event_lock;
691
692 /*
693 * A bitmap indicating the index of the key in use. The firmware
694 * can hold 16 keys at most. Reflect this fact.
695 */
696 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
697
698 /* references taken by the driver and spinlock protecting them */
699 spinlock_t refs_lock;
700 u8 refs[IWL_MVM_REF_COUNT];
701
702 u8 vif_count;
703
704 /* -1 for always, 0 for never, >0 for that many times */
705 s8 restart_fw;
706 struct work_struct fw_error_dump_wk;
707 enum iwl_fw_dbg_conf fw_dbg_conf;
708
709 #ifdef CONFIG_IWLWIFI_LEDS
710 struct led_classdev led;
711 #endif
712
713 struct ieee80211_vif *p2p_device_vif;
714
715 #ifdef CONFIG_PM_SLEEP
716 struct wiphy_wowlan_support wowlan;
717 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
718
719 /* sched scan settings for net detect */
720 struct cfg80211_sched_scan_request *nd_config;
721 struct ieee80211_scan_ies nd_ies;
722 struct cfg80211_match_set *nd_match_sets;
723 int n_nd_match_sets;
724 struct ieee80211_channel **nd_channels;
725 int n_nd_channels;
726 bool net_detect;
727 #ifdef CONFIG_IWLWIFI_DEBUGFS
728 u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
729 bool d3_test_active;
730 bool store_d3_resume_sram;
731 void *d3_resume_sram;
732 u32 d3_test_pme_ptr;
733 struct ieee80211_vif *keep_vif;
734 #endif
735 #endif
736
737 /* d0i3 */
738 u8 d0i3_ap_sta_id;
739 bool d0i3_offloading;
740 struct work_struct d0i3_exit_work;
741 struct sk_buff_head d0i3_tx;
742 /* protect d0i3_suspend_flags */
743 struct mutex d0i3_suspend_mutex;
744 unsigned long d0i3_suspend_flags;
745 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
746 spinlock_t d0i3_tx_lock;
747 wait_queue_head_t d0i3_exit_waitq;
748
749 /* BT-Coex */
750 u8 bt_ack_kill_msk[NUM_PHY_CTX];
751 u8 bt_cts_kill_msk[NUM_PHY_CTX];
752
753 struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
754 struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
755 struct iwl_bt_coex_profile_notif last_bt_notif;
756 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
757
758 u32 last_ant_isol;
759 u8 last_corun_lut;
760 u8 bt_tx_prio;
761 enum iwl_bt_force_ant_mode bt_force_ant_mode;
762
763 /* Aux ROC */
764 struct list_head aux_roc_te_list;
765
766 /* Thermal Throttling and CTkill */
767 struct iwl_mvm_tt_mgmt thermal_throttle;
768 s32 temperature; /* Celsius */
769 /*
770 * Debug option to set the NIC temperature. This option makes the
771 * driver think this is the actual NIC temperature, and ignore the
772 * real temperature that is received from the fw
773 */
774 bool temperature_test; /* Debug test temperature is enabled */
775
776 struct iwl_time_quota_cmd last_quota_cmd;
777
778 #ifdef CONFIG_NL80211_TESTMODE
779 u32 noa_duration;
780 struct ieee80211_vif *noa_vif;
781 #endif
782
783 /* Tx queues */
784 u8 aux_queue;
785 u8 first_agg_queue;
786 u8 last_agg_queue;
787
788 /* Indicate if device power save is allowed */
789 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
790
791 struct ieee80211_vif __rcu *csa_vif;
792 struct ieee80211_vif __rcu *csa_tx_blocked_vif;
793 u8 csa_tx_block_bcn_timeout;
794
795 /* system time of last beacon (for AP/GO interface) */
796 u32 ap_last_beacon_gp2;
797
798 u8 low_latency_agg_frame_limit;
799
800 /* TDLS channel switch data */
801 struct {
802 struct delayed_work dwork;
803 enum iwl_mvm_tdls_cs_state state;
804
805 /*
806 * Current cs sta - might be different from periodic cs peer
807 * station. Value is meaningless when the cs-state is idle.
808 */
809 u8 cur_sta_id;
810
811 /* TDLS periodic channel-switch peer */
812 struct {
813 u8 sta_id;
814 u8 op_class;
815 bool initiator; /* are we the link initiator */
816 struct cfg80211_chan_def chandef;
817 struct sk_buff *skb; /* ch sw template */
818 u32 ch_sw_tm_ie;
819
820 /* timestamp of last ch-sw request sent (GP2 time) */
821 u32 sent_timestamp;
822 } peer;
823 } tdls_cs;
824
825 struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
826 };
827
828 /* Extract MVM priv from op_mode and _hw */
829 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \
830 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
831
832 #define IWL_MAC80211_GET_MVM(_hw) \
833 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
834
835 enum iwl_mvm_status {
836 IWL_MVM_STATUS_HW_RFKILL,
837 IWL_MVM_STATUS_HW_CTKILL,
838 IWL_MVM_STATUS_ROC_RUNNING,
839 IWL_MVM_STATUS_IN_HW_RESTART,
840 IWL_MVM_STATUS_IN_D0I3,
841 IWL_MVM_STATUS_ROC_AUX_RUNNING,
842 IWL_MVM_STATUS_D3_RECONFIG,
843 };
844
845 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
846 {
847 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
848 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
849 }
850
851 /* Must be called with rcu_read_lock() held and it can only be
852 * released when mvmsta is not needed anymore.
853 */
854 static inline struct iwl_mvm_sta *
855 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
856 {
857 struct ieee80211_sta *sta;
858
859 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
860 return NULL;
861
862 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
863
864 /* This can happen if the station has been removed right now */
865 if (IS_ERR_OR_NULL(sta))
866 return NULL;
867
868 return iwl_mvm_sta_from_mac80211(sta);
869 }
870
871 static inline struct iwl_mvm_sta *
872 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
873 {
874 struct ieee80211_sta *sta;
875
876 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
877 return NULL;
878
879 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
880 lockdep_is_held(&mvm->mutex));
881
882 /* This can happen if the station has been removed right now */
883 if (IS_ERR_OR_NULL(sta))
884 return NULL;
885
886 return iwl_mvm_sta_from_mac80211(sta);
887 }
888
889 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
890 {
891 return mvm->trans->cfg->d0i3 &&
892 mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
893 !iwlwifi_mod_params.d0i3_disable &&
894 (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
895 }
896
897 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
898 {
899 return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
900 }
901
902 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
903 {
904 return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
905 IWL_MVM_BT_COEX_CORUNNING;
906 }
907
908 extern const u8 iwl_mvm_ac_to_tx_fifo[];
909
910 struct iwl_rate_info {
911 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */
912 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */
913 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */
914 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */
915 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */
916 };
917
918 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
919 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
920
921 /******************
922 * MVM Methods
923 ******************/
924 /* uCode */
925 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
926
927 /* Utils */
928 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
929 enum ieee80211_band band);
930 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
931 enum ieee80211_band band,
932 struct ieee80211_tx_rate *r);
933 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
934 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
935 u8 first_antenna(u8 mask);
936 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
937
938 /* Tx / Host Commands */
939 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
940 struct iwl_host_cmd *cmd);
941 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
942 u32 flags, u16 len, const void *data);
943 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
944 struct iwl_host_cmd *cmd,
945 u32 *status);
946 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
947 u16 len, const void *data,
948 u32 *status);
949 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
950 struct ieee80211_sta *sta);
951 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
952 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
953 struct iwl_tx_cmd *tx_cmd,
954 struct ieee80211_tx_info *info, u8 sta_id);
955 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
956 struct ieee80211_tx_info *info,
957 struct iwl_tx_cmd *tx_cmd,
958 struct sk_buff *skb_frag);
959 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
960 struct ieee80211_tx_info *info,
961 struct ieee80211_sta *sta, __le16 fc);
962 #ifdef CONFIG_IWLWIFI_DEBUG
963 const char *iwl_mvm_get_tx_fail_reason(u32 status);
964 #else
965 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
966 #endif
967 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
968 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
969
970 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
971 {
972 flush_work(&mvm->async_handlers_wk);
973 }
974
975 /* Statistics */
976 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
977 struct iwl_rx_packet *pkt);
978 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
979 struct iwl_rx_cmd_buffer *rxb,
980 struct iwl_device_cmd *cmd);
981 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
982 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
983
984 /* NVM */
985 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
986 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
987
988 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
989 {
990 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
991 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
992 mvm->fw->valid_tx_ant;
993 }
994
995 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
996 {
997 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
998 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
999 mvm->fw->valid_rx_ant;
1000 }
1001
1002 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1003 {
1004 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1005 FW_PHY_CFG_RX_CHAIN);
1006 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1007 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1008
1009 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1010 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1011
1012 return mvm->fw->phy_config & phy_config;
1013 }
1014
1015 int iwl_mvm_up(struct iwl_mvm *mvm);
1016 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1017
1018 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1019 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1020 struct iwl_bcast_filter_cmd *cmd);
1021
1022 /*
1023 * FW notifications / CMD responses handlers
1024 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1025 */
1026 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1027 struct iwl_device_cmd *cmd);
1028 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1029 struct iwl_device_cmd *cmd);
1030 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1031 struct iwl_device_cmd *cmd);
1032 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1033 struct iwl_device_cmd *cmd);
1034 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1035 struct iwl_device_cmd *cmd);
1036 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1037 struct iwl_rx_cmd_buffer *rxb,
1038 struct iwl_device_cmd *cmd);
1039 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1040 struct iwl_device_cmd *cmd);
1041 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1042 struct iwl_rx_cmd_buffer *rxb,
1043 struct iwl_device_cmd *cmd);
1044 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1045 struct iwl_device_cmd *cmd);
1046 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1047 struct iwl_device_cmd *cmd);
1048 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1049 struct iwl_rx_cmd_buffer *rxb,
1050 struct iwl_device_cmd *cmd);
1051
1052 /* MVM PHY */
1053 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1054 struct cfg80211_chan_def *chandef,
1055 u8 chains_static, u8 chains_dynamic);
1056 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1057 struct cfg80211_chan_def *chandef,
1058 u8 chains_static, u8 chains_dynamic);
1059 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1060 struct iwl_mvm_phy_ctxt *ctxt);
1061 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1062 struct iwl_mvm_phy_ctxt *ctxt);
1063 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1064 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1065 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1066
1067 /* MAC (virtual interface) programming */
1068 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1069 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1070 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1071 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1072 bool force_assoc_off, const u8 *bssid_override);
1073 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1074 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1075 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1076 struct ieee80211_vif *vif);
1077 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1078 struct iwl_rx_cmd_buffer *rxb,
1079 struct iwl_device_cmd *cmd);
1080 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1081 struct iwl_rx_cmd_buffer *rxb,
1082 struct iwl_device_cmd *cmd);
1083 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1084 struct ieee80211_vif *vif);
1085 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1086 struct ieee80211_vif *exclude_vif);
1087
1088 /* Bindings */
1089 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1090 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1091
1092 /* Quota management */
1093 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1094 struct ieee80211_vif *disabled_vif);
1095
1096 /* Scanning */
1097 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1098 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1099 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1100
1101 /* Scheduled scan */
1102 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1103 struct iwl_rx_cmd_buffer *rxb,
1104 struct iwl_device_cmd *cmd);
1105 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1106 struct iwl_rx_cmd_buffer *rxb,
1107 struct iwl_device_cmd *cmd);
1108 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1109 struct cfg80211_sched_scan_request *req);
1110 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1111 struct ieee80211_vif *vif,
1112 struct cfg80211_sched_scan_request *req,
1113 struct ieee80211_scan_ies *ies);
1114 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1115 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1116 struct iwl_rx_cmd_buffer *rxb,
1117 struct iwl_device_cmd *cmd);
1118
1119 /* Unified scan */
1120 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1121 struct ieee80211_vif *vif,
1122 struct ieee80211_scan_request *req);
1123 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1124 struct ieee80211_vif *vif,
1125 struct cfg80211_sched_scan_request *req,
1126 struct ieee80211_scan_ies *ies);
1127
1128 /* UMAC scan */
1129 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1130 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1131 struct ieee80211_scan_request *req);
1132 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1133 struct cfg80211_sched_scan_request *req,
1134 struct ieee80211_scan_ies *ies);
1135 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1136 struct iwl_rx_cmd_buffer *rxb,
1137 struct iwl_device_cmd *cmd);
1138
1139 /* MVM debugfs */
1140 #ifdef CONFIG_IWLWIFI_DEBUGFS
1141 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1142 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1143 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1144 #else
1145 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1146 struct dentry *dbgfs_dir)
1147 {
1148 return 0;
1149 }
1150 static inline void
1151 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1152 {
1153 }
1154 static inline void
1155 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1156 {
1157 }
1158 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1159
1160 /* rate scaling */
1161 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1162 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1163 int rs_pretty_print_rate(char *buf, const u32 rate);
1164 void rs_update_last_rssi(struct iwl_mvm *mvm,
1165 struct iwl_lq_sta *lq_sta,
1166 struct ieee80211_rx_status *rx_status);
1167
1168 /* power management */
1169 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1170 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1171 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1172 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1173 char *buf, int bufsz);
1174
1175 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1176 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1177 struct iwl_rx_cmd_buffer *rxb,
1178 struct iwl_device_cmd *cmd);
1179
1180 #ifdef CONFIG_IWLWIFI_LEDS
1181 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1182 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1183 #else
1184 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1185 {
1186 return 0;
1187 }
1188 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1189 {
1190 }
1191 #endif
1192
1193 /* D3 (WoWLAN, NetDetect) */
1194 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1195 int iwl_mvm_resume(struct ieee80211_hw *hw);
1196 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1197 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1198 struct ieee80211_vif *vif,
1199 struct cfg80211_gtk_rekey_data *data);
1200 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1201 struct ieee80211_vif *vif,
1202 struct inet6_dev *idev);
1203 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1204 struct ieee80211_vif *vif, int idx);
1205 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1206 #ifdef CONFIG_PM_SLEEP
1207 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1208 struct ieee80211_vif *vif);
1209 #else
1210 static inline void
1211 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1212 {
1213 }
1214 #endif
1215 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1216 struct iwl_wowlan_config_cmd *cmd);
1217 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1218 struct ieee80211_vif *vif,
1219 bool disable_offloading,
1220 u32 cmd_flags);
1221
1222 /* D0i3 */
1223 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1224 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1225 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1226 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1227 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1228 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1229 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1230 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1231
1232 /* BT Coex */
1233 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1234 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1235 struct iwl_rx_cmd_buffer *rxb,
1236 struct iwl_device_cmd *cmd);
1237 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1238 enum ieee80211_rssi_event rssi_event);
1239 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1240 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1241 struct ieee80211_sta *sta);
1242 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1243 struct ieee80211_sta *sta);
1244 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1245 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1246 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1247 enum ieee80211_band band);
1248 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1249 struct ieee80211_tx_info *info, u8 ac);
1250
1251 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1252 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1253 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1254 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1255 struct iwl_rx_cmd_buffer *rxb,
1256 struct iwl_device_cmd *cmd);
1257 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1258 enum ieee80211_rssi_event rssi_event);
1259 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1260 struct ieee80211_sta *sta);
1261 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1262 struct ieee80211_sta *sta);
1263 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1264 enum ieee80211_band band);
1265 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1266 struct iwl_rx_cmd_buffer *rxb,
1267 struct iwl_device_cmd *cmd);
1268
1269 enum iwl_bt_kill_msk {
1270 BT_KILL_MSK_DEFAULT,
1271 BT_KILL_MSK_NEVER,
1272 BT_KILL_MSK_ALWAYS,
1273 BT_KILL_MSK_MAX,
1274 };
1275
1276 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1277 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1278 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1279
1280 /* beacon filtering */
1281 #ifdef CONFIG_IWLWIFI_DEBUGFS
1282 void
1283 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1284 struct iwl_beacon_filter_cmd *cmd);
1285 #else
1286 static inline void
1287 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1288 struct iwl_beacon_filter_cmd *cmd)
1289 {}
1290 #endif
1291 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1292 struct ieee80211_vif *vif,
1293 bool enable, u32 flags);
1294 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1295 struct ieee80211_vif *vif,
1296 u32 flags);
1297 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1298 struct ieee80211_vif *vif,
1299 u32 flags);
1300 /* SMPS */
1301 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1302 enum iwl_mvm_smps_type_request req_type,
1303 enum ieee80211_smps_mode smps_request);
1304 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1305
1306 /* Low latency */
1307 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1308 bool value);
1309 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1310 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1311 /* get VMACLowLatencyMode */
1312 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1313 {
1314 /*
1315 * should this consider associated/active/... state?
1316 *
1317 * Normally low-latency should only be active on interfaces
1318 * that are active, but at least with debugfs it can also be
1319 * enabled on interfaces that aren't active. However, when
1320 * interface aren't active then they aren't added into the
1321 * binding, so this has no real impact. For now, just return
1322 * the current desired low-latency state.
1323 */
1324
1325 return mvmvif->low_latency;
1326 }
1327
1328 /* hw scheduler queue config */
1329 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1330 const struct iwl_trans_txq_scd_cfg *cfg,
1331 unsigned int wdg_timeout);
1332 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1333
1334 static inline
1335 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1336 u8 fifo, unsigned int wdg_timeout)
1337 {
1338 struct iwl_trans_txq_scd_cfg cfg = {
1339 .fifo = fifo,
1340 .tid = IWL_MAX_TID_COUNT,
1341 .aggregate = false,
1342 .frame_limit = IWL_FRAME_LIMIT,
1343 };
1344
1345 iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1346 }
1347
1348 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1349 int fifo, int sta_id, int tid,
1350 int frame_limit, u16 ssn,
1351 unsigned int wdg_timeout)
1352 {
1353 struct iwl_trans_txq_scd_cfg cfg = {
1354 .fifo = fifo,
1355 .sta_id = sta_id,
1356 .tid = tid,
1357 .frame_limit = frame_limit,
1358 .aggregate = true,
1359 };
1360
1361 iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1362 }
1363
1364 /* Thermal management and CT-kill */
1365 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1366 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1367 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1368 struct iwl_rx_cmd_buffer *rxb,
1369 struct iwl_device_cmd *cmd);
1370 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1371 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1372 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1373 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1374 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1375
1376 /* smart fifo */
1377 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1378 bool added_vif);
1379
1380 /* TDLS */
1381
1382 /*
1383 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1384 * This TID is marked as used vs the AP and all connected TDLS peers.
1385 */
1386 #define IWL_MVM_TDLS_FW_TID 4
1387
1388 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1389 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1390 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1391 bool sta_added);
1392 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1393 struct ieee80211_vif *vif);
1394 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1395 struct ieee80211_vif *vif,
1396 struct ieee80211_sta *sta, u8 oper_class,
1397 struct cfg80211_chan_def *chandef,
1398 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1399 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1400 struct ieee80211_vif *vif,
1401 struct ieee80211_tdls_ch_sw_params *params);
1402 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1403 struct ieee80211_vif *vif,
1404 struct ieee80211_sta *sta);
1405 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1406 struct iwl_device_cmd *cmd);
1407 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1408
1409 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1410
1411 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1412 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1413
1414 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
1415 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
1416
1417 #endif /* __IWL_MVM_H__ */
Linux kernel - Deliverables
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